package com.macro.admin.config.security.component;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.macro.admin.pojo.RespBean;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.web.access.AccessDeniedHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

/**
 * 当访问接口没有权限时，自定义返回结果类
 *
 * @Author: Xiao Hai
 * @Date: 2021-04-20 08:11:17
 * @since 1.0.0
 */
@Component
public class RestfulAccessDeniedHandler implements AccessDeniedHandler {
    @Override
    public void handle(HttpServletRequest request, HttpServletResponse response, AccessDeniedException e) throws IOException, ServletException {

        response.setCharacterEncoding("UTF-8"); response.setContentType("application/json");

        PrintWriter out = response.getWriter();

        RespBean bean = RespBean.error("权限不足，请联系管理员!");

        bean.setCode(403);

        out.write(new ObjectMapper().writeValueAsString(bean));

        out.flush();

        out.close();
    }
}
